Inside an office building has been designed as a 2-door floor mat traps dirt barrier between the two doors leading to a trap dust and pollution from the outside of the building and the heat that enters the building.
Office Building The design goal is two floors with carpet dust trap door separating the two layers to trap dust and pollution from outside the building. And to prevent hot air to enter the building.
Inside the office, there is a 2 door design. A carpet dust trap barrier between the 2 door. In order to trap dust and pollution from the outside of the building. And prevented the hot air to enter the building.